.gphoto_item {
    width: 30%; 
    clear: none; 
    float: left; 
    text-align: center; 
    padding: 5px; 
    border-width: 1px;
    border-style: solid;
    border-color: transparent; 
    margin: 2px;
}

.gphoto_item:hover {
    
    border-color: #BBBBBB; 
}